I burn a coal stove during the cold months and when the weather breaks, I switch to an oil furnace. I tried to trun it on the other day and it would run for a few seconds, then turn off. The thermostate would then read "HOLD -AC". It will do this repeatedly. Any Ideas?
"replace better" msg light came on; I replaced with 3 AAA Alkalines...3 days later, same...
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"replace better" msg light came on; I replaced with 3 AAA Alkalines...3 days later, same message- replaced AAAs again, with what are absolutley fresh ones, same msg. Is there a backup batter somewhere on this unit that needs replaced? The manual does not indicate or show or mention a backup battery...stumped, 'HEP! thx, ed zeppelin the temperature guy
Mod#BLU100K948A The 2 selenoids on top of gas valve click when they open (normal). Sometimes they...
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Mod#BLU100K948A The 2 selenoids on top of gas valve click when they open (normal). Sometimes they work fine, sometimes they have a rapid clicking noise and do not open the gas valves. Furnace just runs and blows cold air. How do I find what causes these valves not to open.